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Headgasket help

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Old 04-25-2018, 11:37 AM   #1  
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Headgasket help


I have a 1994 pick up with the 22re I removed the head to replace my timing chain and ended up buying a complete new cylinder head my question is i have cleaned my block the best that I can and it looks like there is still old head gasket material on still on my block but it feels almost completely smooth will will this make my head not seal should I try to remove move or put it back together

Last edited by Bakervaper; 04-25-2018 at 11:40 AM.
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Old 04-25-2018, 01:21 PM   #2  
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Looks like rubbing and/or corrosion pitting from the steel substrate of a previous head gasket.

Degrease the deck and head face with acetone, or lacquer thinner, and put it together. It should be OK. Retorque after two, or three hundred miles run.

I like to use a head gasket that has no slipper plate on engines like this, like the plain graphite ones supplied in Ishino Stone gasket sets I have purchased.

I don't really have any evidence that the lack of the steel slipper plate makes for a better seal on pitted block decks, but several engines I built that looked like this have held up.

Looks from your pics that everything is clean, and that you have chased the head bolt threads. Good luck!! Please respond with what you do, and the results.

Use some ZDDP additive in the break-in oil, and maybe the 2nd oil too. After that, any decent oil should be OK>
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Old 04-25-2018, 01:34 PM   #3  
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Thank you so much for responding I did chase the threads alreadly and I bought the oem toyota headgasket hopefully it holds up like the one your talking about on not perfect blocks my camshaft bearings and rocker arms had a lot of wear from the previous owner not changing oil near enough so I bought a complete cylinder head and new rocker arms and shafts I also used amsoil assembly lube I plan on using lucas break in additive too hopefully aftermarket heads aren't junk but thanks again for replying I really appreciate it
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Old 04-25-2018, 02:30 PM   #4  
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That's a nice clean-up job! I agree with millball that you shouldn't have any trouble whichever way you go. I don't think you need the zinc additive, but I don't think it would hurt either.

Once you get the head on, consider extending your cleanup to the rest of the engine bay. Nothing fancy; just spray some paint thinner on the firewall and wipe off the grease. You look like the sort that will appreciate it.
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Old 04-25-2018, 02:48 PM   #5  
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Thank you both for the quick responses I'm new to yotatech but you guys rock I feel a lot better about building it now I'm dreading cleaning the rest I swear it had inches of oil on everything but I will be cleaning more the water pump and oil pump are new I bought this truck a little over a year ago for 1,000 bucks but I have well over 3,000 in parts now and haven't even drove it yet I've rebuilt about everything on it I'll be happy to hear it run but thanks again
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Old 04-27-2018, 03:31 PM   #6  
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Update

Just wanted to give an update everything seems to be going back together ok I really appreciate the help here's a few pics so far
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Old 04-28-2018, 01:41 AM   #7  
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Don`t forget Head bolts torque is 65 foot pounds !!
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Old 04-28-2018, 06:52 AM   #8  
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The (1993) manual shows 58 ft-lbs. http://web.archive.org/web/201211101.../7cylinder.pdf
I know next to nothing about the 22re; I could be reading the manual incorrectly. Or wyoming9 may know something (TSB? ) that I don't.
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Old 04-28-2018, 07:22 AM   #9  
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Scope my manual also says 58 ft lbs so that is what I torqued them too I should get a ot more done today I'm dreading the vacuum lines I wish there were good diagrams I could find
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Old 04-28-2018, 08:45 AM   #10  
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TSB the 58 Foot pounds is incorrect .

A few things may Happen the coolant just pours out when filling it up .

Head Gasket will fail in a matter of thermal cycles .

I watched the first happen in person know of a few of the second

Ted from Engine Builder told me this back around 2000
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Old 04-28-2018, 08:57 AM   #11  
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Originally Posted by wyoming9 View Post
TSB the 58 Foot pounds is incorrect . ...
Got a link to the TSB?

http://www.toyotaproblems.com/tsbs/4Runner/1993/
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Old 04-28-2018, 12:40 PM   #12  
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I only ever had the hard copy

I had no idea what the internet was back then
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Old 04-28-2018, 12:41 PM   #13  
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Now I'm I'm second guessing my repair manual anyone else hear of this?
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Old 04-28-2018, 12:59 PM   #14  
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I have built 4 or 5 22rs' and torqued every one to 65fp based on anecdotal advice found on this site. Not sorry I did.

Retorqued every one again cold after 250 or 300 miles and readjusted valve lash again then. No worries.

Never forget that the work is only good as the tools. Chinese slave labor torque wrenches are not to be trusted.

Any old beam type wrench is better.

Last edited by millball; 04-28-2018 at 01:02 PM.
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Old 04-28-2018, 02:13 PM   #15  
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The LC Engineering page says 62fp, getting closer.....
http://www.lcengineering.com/LCTechP...ages/eng2.html
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Old 04-30-2018, 07:04 AM   #16  
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Baker - That's a sweet rebuild on the head. Looks beautiful and look forward to a review on how it runs. Did you rebuild the rockers or was it a complete kit from LCE?

Thanks
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